in English is:

hateful

,

nasty

,

unkind

Mutations

Soft:gas
Nasal:nghas
Aspirate:chas

cas2:casyn

(hwn) noun masculine (casys:casiau)
in English is:

case

Mutations

Soft:gas
Nasal:nghas
Aspirate:chas

Use

y cas hwn
fy nghas i
dy gas di
ei gas ef/o
ei chas hi
ein cas ni
eich cas chi
eu cas nhw/hwy
yr un cas
y ddau gas cyflym*
y tri chas pell*
y pedwar cas tawel*
y pum cas bach*
y chwe chas da*
y saith cas glân*
yr wyth cas llawn*
y naw cas mawr*
y deg cas rhyfedd*

* These adjectives were chosen based on their initial letter in order to demostrate their mutations, and therefore their meaning will not make sense after some nouns!

Mutations

Soft:gas
Nasal:nghas
Aspirate:chas

Use

y cas hwn
fy nghas i
dy gas di
ei gas ef/o
ei chas hi
ein cas ni
eich cas chi
eu cas nhw/hwy
Phrases (12)
a heuo gas a fed gur
cariad ni ŵyr feio cas ni ŵyr canmol
cas athro heb amynedd
cas cadw da
cas gan (rywun) (rywbeth):cas gen i (gen ti, ganddo ef, a.y.b.) (rywbeth):cas gennyf fi (gennyt ti, ganddo ef, a.y.b.) (rywbeth)1
cas gan (rywun) (rywbeth):cas gen i (gen ti, ganddo ef, a.y.b.) (rywbeth):cas gennyf fi (gennyt ti, ganddo ef, a.y.b.) (rywbeth)2
cas gŵr na charo wlad a'i maco
cas wely, cas godi
casáu â chas perffaith

to detest

mae’n gas gen i:cas gen i
y gwir cas
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